at time of subscription you got a reply back from the list with some general info.
There you will find the following link
Login and set your name. That should hopefully do the trick.
On Tue, 10 Sep 2013 18:03:39 +0200, email@example.com wrote:
Could someone pls explain to me how to suppress my email address when posting at the list. I seem to be among the very few users where thi s is done.
Thanks in advance !